diff options
Diffstat (limited to 'kernel/debug/kdb/kdb_debugger.c')
-rw-r--r-- | kernel/debug/kdb/kdb_debugger.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c index be7b33b73d30..328d18ef31e4 100644 --- a/kernel/debug/kdb/kdb_debugger.c +++ b/kernel/debug/kdb/kdb_debugger.c | |||
@@ -34,6 +34,22 @@ EXPORT_SYMBOL_GPL(kdb_poll_idx); | |||
34 | 34 | ||
35 | static struct kgdb_state *kdb_ks; | 35 | static struct kgdb_state *kdb_ks; |
36 | 36 | ||
37 | int kdb_common_init_state(struct kgdb_state *ks) | ||
38 | { | ||
39 | kdb_initial_cpu = atomic_read(&kgdb_active); | ||
40 | kdb_current_task = kgdb_info[ks->cpu].task; | ||
41 | kdb_current_regs = kgdb_info[ks->cpu].debuggerinfo; | ||
42 | return 0; | ||
43 | } | ||
44 | |||
45 | int kdb_common_deinit_state(void) | ||
46 | { | ||
47 | kdb_initial_cpu = -1; | ||
48 | kdb_current_task = NULL; | ||
49 | kdb_current_regs = NULL; | ||
50 | return 0; | ||
51 | } | ||
52 | |||
37 | int kdb_stub(struct kgdb_state *ks) | 53 | int kdb_stub(struct kgdb_state *ks) |
38 | { | 54 | { |
39 | int error = 0; | 55 | int error = 0; |
@@ -94,13 +110,10 @@ int kdb_stub(struct kgdb_state *ks) | |||
94 | } | 110 | } |
95 | /* Set initial kdb state variables */ | 111 | /* Set initial kdb state variables */ |
96 | KDB_STATE_CLEAR(KGDB_TRANS); | 112 | KDB_STATE_CLEAR(KGDB_TRANS); |
97 | kdb_initial_cpu = atomic_read(&kgdb_active); | 113 | kdb_common_init_state(ks); |
98 | kdb_current_task = kgdb_info[ks->cpu].task; | ||
99 | kdb_current_regs = kgdb_info[ks->cpu].debuggerinfo; | ||
100 | /* Remove any breakpoints as needed by kdb and clear single step */ | 114 | /* Remove any breakpoints as needed by kdb and clear single step */ |
101 | kdb_bp_remove(); | 115 | kdb_bp_remove(); |
102 | KDB_STATE_CLEAR(DOING_SS); | 116 | KDB_STATE_CLEAR(DOING_SS); |
103 | KDB_STATE_CLEAR(DOING_SSB); | ||
104 | KDB_STATE_SET(PAGER); | 117 | KDB_STATE_SET(PAGER); |
105 | /* zero out any offline cpu data */ | 118 | /* zero out any offline cpu data */ |
106 | for_each_present_cpu(i) { | 119 | for_each_present_cpu(i) { |
@@ -125,9 +138,7 @@ int kdb_stub(struct kgdb_state *ks) | |||
125 | * Upon exit from the kdb main loop setup break points and restart | 138 | * Upon exit from the kdb main loop setup break points and restart |
126 | * the system based on the requested continue state | 139 | * the system based on the requested continue state |
127 | */ | 140 | */ |
128 | kdb_initial_cpu = -1; | 141 | kdb_common_deinit_state(); |
129 | kdb_current_task = NULL; | ||
130 | kdb_current_regs = NULL; | ||
131 | KDB_STATE_CLEAR(PAGER); | 142 | KDB_STATE_CLEAR(PAGER); |
132 | kdbnearsym_cleanup(); | 143 | kdbnearsym_cleanup(); |
133 | if (error == KDB_CMD_KGDB) { | 144 | if (error == KDB_CMD_KGDB) { |